Summary
Peroxidase activity has been localized to duct cells of the submandibular salivary gland of the hamster using a 3,3′-diaminobenzidine (DAB)-H2O2 medium. In cryostat sections of glutaraldehyde-fixed tissue the enzyme activity is found in the proximal part of the duct system of the gland. In Epon sections studied in the light microscope or thin sections studied in the electron microscope the peroxidase activity is observed in cytoplasmic granules in cells of the convoluted tubules of the ducts. No activity is seen in the acini or in cells of the intralobular striated ducts. The submandibular gland of the rat was negative with respect to peroxidase reaction. The findings are discussed with special reference to the possible correlation between peroxidase activity and iodine metabolism in salivary glands.
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Bloom, G.D., Carlsöö, B. & Kumlien, A. Cytochemical localization of peroxidase activity in the submandibular salivary gland of the hamster. Histochemie 22, 294–301 (1970). https://doi.org/10.1007/BF00277457
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DOI: https://doi.org/10.1007/BF00277457